// #include "seq_stack.cpp"
#include "linklist_stack.cpp"

int main()
{
    Stack s = InitStack();
    printf("front item: %d\n", Front(s));
    for (int i = 1; i < 20; i++)
    {
        Push(s, 2 * i + 1);
    }
    printf(s);
    Pop(s);
    printf(s);
    printf("front item: %d\n", Front(s));
    return 0;
}
